Review of Short Phrases and Links|
This Review contains major "Heart Rate"- related terms, short phrases and links grouped together in the form of Encyclopedia article.
- Heart rate is a term used to describe the frequency of the cardiac cycle.
- Heart rate is a predictor of success in the treatment of adults with symptomatic paroxysmal supraventricular tachycardia.
- Heart rate: The number of heart beats per unit time, usually per minute.
- The heart rate is based on the number of contractions of the ventricles (the lower chambers of the heart).
- Heart rate is a measure of the ventricular rather than atrial activity.
- Tachycardia is a resting heart rate more than 100 beats per minute.
- Athletes sometimes measure their resting heart rate as one way to find out if they're over trained.
- Maximum Heart Rate (also called MHR, or HR max) is the maximum heart rate that a person can achieve during maximal physical exertion.
- Heart rate reserve (HRR) is a term used to describe the difference between a person's measured or predicted maximum heart rate and resting heart rate.
- Stop, get off the bike (this is for safety reasons - not mandatory) and immediately check your heart rate at its maximum for a full 60 seconds.
- Continuous electrocardiographic monitoring of the heart rate is routinely done in many clinical settings, especially in critical care medicine.
- A heart rate that stays below 50 beats per minute is called bradycardia.
- The recovery heart rate is one that is taken several minutes after exercise.
- The current definition of sinus tachycardia is a heart rate 100 beats per minute (bpm).
- The heart rate during normal sinus rhythm is 60 to 100 beats per minute (BPM).
- Control of heart rate The heart contains two cardiac pacemaker s that spontaneously cause the heart to beat.
- Some methods of measurement of exercise intensity measure percentage of heart rate reserve.
- Additionally, as a person increases their cardiovascular fitness, their HR rest will drop, thus the heart rate reserve will increase.
- MHR is used as a base number to calculate target heart rate for exercise (see below). The heart beats about 60 to 80 times a minute when we're at rest.
- HR max is used frequently in the fitness industry, specifically during the calculation of Target Heart Rate when prescribing a fitness regimen.
- Patient was subjected to modified treadmill stress test and she achieved target heart rate without any symptom during 14 minute walk.
- If another medical problem, such as hypothyroidism or an electrolyte imbalance, is causing a slow heart rate, treating that problem may cure the bradycardia.
- If hypothyroidism is causing a slow heart rate, it is treated with thyroid hormones.
- If the sinus node is not functioning normally, it is reflected in an abnormally slow heart rate (bradycardia).
- An arrhythmia is any disorder of heart rate or rhythm.
- Bradycardia is a slower than normal heart rate.
- Heart rate, heart rhythm, blood pressure and electrical changes on the 12-lead electrocardiogram are monitored throughout the testing procedure.
- Several parameters are measured including VO2, O2 saturation, heart rate, heart rhythm and blood pressure.
- Neurocardiogenic syncope results from excessive autonomic reflex activity, which shows as abnormal vascular tone and heart rate.
- Heart rate control drugs and antiarrhythmic drugs may be prescribed to treat irregular heart rhythms.
- CONCLUSIONS: Heart rate predicts restoration of sinus rhythm in adult subjects with symptomatic episodes of PSVT treated with adenosine and verapamil.
- SA node: The SA node (SA stands for sinoatrial) is one of the major elements in the cardiac conduction system, the system that controls the heart rate.
- The (ventricular) heart rate is, therefore, determined by how many impulses the AV node can conduct.
- QRS complex and a heart rate of 40 beats per minute are less, usually have conduction blocked below the level of the AV node.
- Effect of fish oil on heart rate variability in survivors of myocardial infarction: a double blind randomised controlled trial.
- Heart rate variability analysis is the evaluation of beat to beat variability of the R-R interval.
- The speed at which a person's heart rate returns to resting is faster for a fit person than an unfit person.
- Your heart rate, pulse, and blood pressure will be closely monitored and the catheter insertion site checked for bleeding.
- If the patient's heart rate is too slow, these devices typically do not pace the heart to make it beat faster.
- Often, the rhythm produced is more rapid than normal, but the difficulty is in obtaining control of the heart rate both at rest and with exercise.
- Producing an electrocardiogram, or ECG (also abbreviated EKG), is one of the most precise methods of heart rate measurement.
- Many exercise machines (stationary bikes, treadmills, etc) have a built-in heart rate monitors.
- To test this, you will walk and run on a treadmill — or ride a stationary bicycle — while your heart rate and rhythm are monitored.
- Drugs, which suppress contractility (negative inotropic agents) and suppress heart rate (negative chronotropic agents), have been the mainstays of therapy.
- Mean heart rate, 314 ± 2.6 beats min 1; QRS width, 24.2 ± 2.1 ms.
- Standard ECG measurements including heart rate, PR interval, and QRS and QT durations were not significantly different between groups.
- Bradycardia is defined as a heart rate less than 60 beats per minute although it is seldom symptomatic until below 50 bpm.
- Sinus bradycardia originates in the sinoatrial node and is characterized by a heart rate less than 60 beats per minute.
- Relative intensity refers to the percent of aerobic power utilized during exercise and is expressed as percent of maximal heart rate or percent of O 2 max.
- Faint, if a slow heart rate causes a drop in blood pressure.
- The BP and heart rate were measured in triplicate after the participants had been lying for 15 minutes.
- Simple blood pressure and heart rate measurements while lying, seated, and standing can confirm the presence of orthostatic hypotension.
- Commercial heart rate monitors are also available, consisting of a chest strap with electrodes.
- Commercially available heart rate monitors are also available, consisting of a chest strap with electrodes.
- These symptoms are especially common when atrial fibrillation results in a heart rate which is either too fast or too slow.
- This condition can cause symptoms such as weakness, fatigue, dizziness, fainting, or palpitations if the heart rate becomes too fast.
- Drugs such as adrenaline can increase heart rate and strength of contractions, although also promote tachyarrhythmias.
- A pacemaker is a device placed under your skin that helps correct the slow heart rate.
- Many newer ICDs can also function as a pacemaker by delivering an electrical signal to regulate a heart rate that is too slow.
- This weakened condition, termed chronotropic cardiomyopathy, is usually a result of a long period of tachycardia(fast heart rate).
- Ventricular tachycardia - a fast heart rate that originates in the lower chambers (ventricles).
- Supraventricular tachycardia - a fast heart rate that originates in the upper chambers (atria).
- This test can also rule out other causes of an erratic or fast heart rate.
- The high (ineffective) sympathetic activity is always modulated by vagal outflow, in these cases leading to excessive slowing of heart rate.
- Influences of heart rate and vagal stimulation.
- Ambulatory heart rate was recorded with a portable intermittent technique in 807 subjects.
- Palatini P. Office versus ambulatory heart rate in the prediction of the cardiovascular risk.
- In the Syst-Eur study, higher ambulatory heart rate was associated with increased cancer mortality.
- The QT interval varies based on the heart rate, and various correction factors have been developed to correct the QT interval for the heart rate.
- It is also possible to measure heart rate acoustically, by listening to the sounds the heart makes while beating.
- Sinus arrhythmia: A condition in which the heart rate varies with breathing.
- A variety of situations stimulate the vagus nerve, which leads to a slowing of the heart rate and dilation of the body's blood vessels.
- Since then, 60 anecdotal cases have been reported in which ictal episodes were accompanied by slowing of the heart rate or asystole.
- The pulse is the most straightforward way of measuring the heart rate, but it can be deceptive when some strokes do not lead to much cardiac output.
- When cardiac output increases in a healthy but untrained individual, most of the increase can be attributed to increase in heart rate.
- The length of the cardiac cycle is known and determines heart rate, and thereby Q can be calculated as the product of stroke volume and heart rate.
- It is equal to the heart rate multiplied by the stroke volume.
- When caring for these patients, it helps to remember that cardiac output = stroke volume x heart rate.
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